"i offer no excuses for my conduct," jackson said in his statement. "i want to offer my sincerest apologies to my family, my friends, and all of my supporters for my errors in judgment." jackson resigned last november just weeks after easily winning re-election. while he dropped from public view last year and said he was being treated for bipolar disorder, fbi agents were closing in, initially investigating allegations one of his fundraisers offered to raise campaign cash for now convicted illinois governor rod blagojevich in exchange for naming jackson to fill barack obama's senate seat. ♪ today at a rally held by operation push, the group founded by his father, family members stood by jackson. >> we can make it through this period of time. i love my brother. i will stand with him until the end of time. >> jackson and his wife are expected to plead guilty in washington next week. he faces up to five years in prison, but his lawyers will likely argue to lower that, taking his medical problems into account. lester? >> michael isikoff, thanks. >>> ove